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Data as of Nov 11, 2026

66.78.0.0/18

6,936 anonymizer addresses · 42% · Datacenter proxy121 residential-proxy exits · 30 days

Colocation America Corporation

Announcement
this exact prefix
No RPKI
Announced by
AS21769
Type
Hosting
58% of it

Residential-proxy exits

Proxy exits
121
0.74% of its addresses · 30 days
Oct 12, 2026 – Nov 10, 2026

Exits seen per day

3.3K observations
  • Datacenter proxy · anonymizer
  • Hosting
IPv4 market

Path

1 · Holder
Colocation America Corporation
record created Apr 26, 2016
2 · Leased from
IPXO
for its owner Colocation America Corporation
3 · Announced by
AS21769 Colocation America Corporation
since May 2016 · 10.5 yr ago
4 · Use
Proxy providersnamed Oxylabs, QuarkIP
Hosting

Operators, sellers and brokers

Proxy providers

NameParentIn 66.78.0.0/18/24sRole
OxylabsTesonet
6,16838%
25
Runs it 29% · Sells it 71%
QuarkIP
5123.1%
2
Sells it
Runs itSells it
Leased from

IP brokers

NameIn 66.78.0.0/18/24s
IPXO
1,0246.3%
4
Leased from

Owners leasing their own space

NameIn 66.78.0.0/18/24s
Colocation America Corporation
7684.7%
3

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

66.78.0.0/18

From the registry to its use

  1. May 9, 2005– Aug 22, 2005
    Announced
    AS17252 Colocation America Corporation
    Hosting
  2. Sep 1, 2005– Sep 22, 2005
    Announced
    AS21698 TurboNet
    Internet provider
  3. Nov 8, 2005– Apr 1, 2007
    Announced
    AS18942 WebHostPlus Inc
  4. Sep 15, 2006– Dec 1, 2007
    Announced
    AS31797 Galaxyvisions Inc
  5. Jan 15, 2008– Mar 15, 2008
    Announced
    AS17252 Colocation America Corporation
    Hosting
  6. Aug 8, 2011
    Route object
    AS4436 GTT Americas, LLC
    RADB route object for AS4436 GTT Americas, LLC, maintainer MAINT-AS3257
    66.78.32.0/20
  7. Aug 8, 2011
    Route object
    AS4436 GTT Americas, LLC
    ALTDB route object for AS4436 GTT Americas, LLC, maintainer MAINT-NLAYER
    66.78.32.0/20
  8. Apr 26, 2016
    Registry record
    Colocation America Corporation
    Direct Allocation
    66.78.0.0/18
  9. May 1, 2016– today
    Announced
    AS21769 Colocation America Corporation
    Hosting
  10. Sep 22, 2017
    Route object
    AS55720 Gigabit Hosting Sdn Bhd
    RADB route object for AS55720 Gigabit Hosting Sdn Bhd, maintainer MAINT-AS3491
    66.78.32.0/21
  11. Oct 4, 2017
    Route object
    AS55720 Gigabit Hosting Sdn Bhd
    RADB route object for AS55720 Gigabit Hosting Sdn Bhd, maintainer MAINT-AS58453
    66.78.36.0/22
  12. Jul 30, 2018
    Route object
    AS9009 M247 Europe SRL
    RADB route object for AS9009 M247 Europe SRL, maintainer MAINT-AS9009
    66.78.42.0/24
  13. Jul 30, 2018
    Route object
    AS9009 M247 Europe SRL
    RADB route object for AS9009 M247 Europe SRL, maintainer MAINT-AS9009
    66.78.60.0/22
  14. Jul 2, 2019
    Route object
    AS35916 Multacom Corporation
    RADB route object for AS35916 Multacom Corporation, maintainer MAINT-AS58453
  15. Jun 10, 2026
    Route object
    AS21769 Colocation America Corporation
    RADB route object for AS21769 Colocation America Corporation, maintainer MAINT-AS35916
  16. Jun 16, 2026
    Route object
    AS47007 Colocation America Corporation
    ARIN route object for AS47007 Colocation America Corporation, maintainer MNT-CAC-89
    66.78.20.0/23
  17. Jun 17, 2026
    Route object
    AS47007 Colocation America Corporation
    ARIN route object for AS47007 Colocation America Corporation, maintainer MNT-CAC-89
    66.78.18.0/23
  18. Jun 17, 2026
    Route object
    AS47007 Colocation America Corporation
    ARIN route object for AS47007 Colocation America Corporation, maintainer MNT-CAC-89
    66.78.22.0/23
  19. Jun 17, 2026
    Route object
    AS47007 Colocation America Corporation
    ARIN route object for AS47007 Colocation America Corporation, maintainer MNT-CAC-89
    66.78.24.0/23
  20. Sep 25, 2026
    Route object
    AS834 IPXO LLC
    ARIN route object for AS834 IPXO LLC, maintainer MNT-CAC-89
    66.78.48.0/24
  21. Sep 25, 2026
    Route object
    AS834 IPXO LLC
    ARIN route object for AS834 IPXO LLC, maintainer MNT-CAC-89
    66.78.49.0/24
  22. Oct 1, 2026
    Route object
    AS834 IPXO LLC
    ARIN route object for AS834 IPXO LLC, maintainer MNT-CAC-89
    66.78.52.0/23
  23. Oct 22, 2026
    Route object
    AS21769 Colocation America Corporation
    ARIN route object for AS21769 Colocation America Corporation, maintainer MNT-CAC-89
    66.78.0.0/21
  24. Oct 22, 2026
    Route object
    AS21769 Colocation America Corporation
    ARIN route object for AS21769 Colocation America Corporation, maintainer MNT-CAC-89
    66.78.26.0/23
  25. Oct 22, 2026
    Route object
    AS21769 Colocation America Corporation
    ARIN route object for AS21769 Colocation America Corporation, maintainer MNT-CAC-89
    66.78.28.0/22
  26. Oct 22, 2026
    Route object
    AS21769 Colocation America Corporation
    ARIN route object for AS21769 Colocation America Corporation, maintainer MNT-CAC-89
    66.78.32.0/22
  27. Oct 22, 2026
    Route object
    AS21769 Colocation America Corporation
    ARIN route object for AS21769 Colocation America Corporation, maintainer MNT-CAC-89
    66.78.56.0/24
  28. Oct 22, 2026
    Route object
    AS21769 Colocation America Corporation
    ARIN route object for AS21769 Colocation America Corporation, maintainer MNT-CAC-89
    66.78.57.0/24
  29. Oct 22, 2026
    Route object
    AS21769 Colocation America Corporation
    ARIN route object for AS21769 Colocation America Corporation, maintainer MNT-CAC-89
    66.78.63.0/24
  30. Nov 1, 2026
    Route object
    AS834 IPXO LLC
    ARIN route object for AS834 IPXO LLC, maintainer MNT-CAC-89
    66.78.50.0/23
  31. Nov 1, 2026
    Route object
    IPXO
    RADB route object for AS834 IPXO LLC, maintainer MAINT-AS834
    66.78.54.0/23
  32. Nov 1, 2026
    Route object
    AS834 IPXO LLC
    ARIN route object for AS834 IPXO LLC, maintainer MNT-CAC-89
    66.78.54.0/23
  33. Nov 6, 2026
    Route object
    IPXO
    RADB route object for AS834 IPXO LLC, maintainer MAINT-AS834
    66.78.48.0/23
  34. Nov 10, 2026
    Route object
    IPXO
    ARIN route object for AS147281 Luckynet9 Private Limited, maintainer MNT-DCL-577
    66.78.51.0/24
  35. Nov 10, 2026
    Route object
    IPXO
    ARIN route object for AS147281 Luckynet9 Private Limited, maintainer MNT-DCL-577
    66.78.53.0/24
  36. today
    Leased from
    IPXO
    IP broker
  37. today
    Used
    Oxylabs
    Proxy seller
  38. today
    Used
    QuarkIP
    Proxy seller

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

Arrived
PrefixOriginTypeAnonymizer addressesOperatorLeased fromHolderRPKI
66.78.8.0/24
since Jan 2023
AS54103HostingColocation America Corporation
66.78.9.0/24
since Feb 2017
AS54103HostingColocation America Corporation
66.78.10.0/24
since Feb 2017
AS54103HostingColocation America Corporation
66.78.12.0/24
since Feb 2017
AS54103HostingColocation America Corporation
66.78.13.0/24
since Feb 2024
AS54103HostingColocation America Corporation
66.78.14.0/24
since Feb 2017
AS54103HostingColocation America Corporation
66.78.15.0/24
since Feb 2017
AS54103HostingColocation America Corporation
66.78.16.0/23
since May 2024
AS9009HostingIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
66.78.18.0/24
since Jun 2026
AS47007HostingColocation America Corporation
66.78.19.0/24
since Jun 2026
AS47007HostingColocation America Corporation
66.78.20.0/24
since Jun 2026
AS47007HostingColocation America Corporation
66.78.21.0/24
since Jun 2026
AS47007HostingColocation America Corporation
66.78.22.0/24
since Jun 2026
AS47007HostingColocation America Corporation
66.78.23.0/24
since Jun 2026
AS47007HostingColocation America Corporation
66.78.24.0/24
since Jun 2026
AS47007HostingColocation America Corporation
66.78.25.0/24
since Jun 2026
AS47007HostingColocation America Corporation
66.78.36.0/24
since Mar 2024
AS21859Datacenter proxyProxy providerssold by QuarkIPIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
66.78.37.0/24
since Mar 2024
AS21859Datacenter proxyProxy providerssold by QuarkIPIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
66.78.38.0/24
since Nov 8, 2026
AS40676HostingIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
66.78.39.0/24
since Feb 2026
AS214054HostingIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
66.78.40.0/24
since Feb 2024
AS215659HostingIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
66.78.41.0/24
since Jan 2025
AS401605HostingIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
66.78.43.0/24
since May 2026
AS47007HostingColocation America Corporation
66.78.45.0/24
since Oct 10, 2026
AS16509HostingIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
66.78.46.0/24
since May 2024
AS19446HostingIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
66.78.47.0/24
since Jun 2026
AS47007HostingColocation America Corporation
66.78.50.0/24
since Nov 8, 2026
AS147281Datacenter proxyIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
66.78.52.0/24
since Oct 22, 2026
AS136809HostingIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
66.78.58.0/24
since May 2026
AS47007HostingColocation America Corporation
66.78.59.0/24
since Sep 2026
AS59253HostingIP broker IPXOColocation America Corporation
via IPXO LLC
66.78.60.0/24
since May 2026
AS47007HostingColocation America Corporation
66.78.61.0/24
since May 2026
AS47007HostingColocation America Corporation
66.78.62.0/24
since Apr 2026
AS47007Hosting249.4%Datacenter proxyProxy providersoperated by OxylabsColocation America Corporation

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
66.78.0.0/1816,384CAC-BLOCK14Colocation America Corporation (CAC-89) · USDirect AllocationApr 26, 2016Abuse@colocationamerica.com
└ 66.78.0.0/212,048MOD-MISSIONCRITICALMOD Mission Critical (C06572932) · USReassignedJun 20, 2017Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.8.0/212,048MOD-MISSIONCRITICALMOD Mission Critical (C06328876) · USReassignedFeb 10, 2017Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.16.0/23512IL-845IPXO LLC (IL-845) · USReallocatedNov 24, 2021abuse@ipxo.com
└ 66.78.16.0/23512NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 66.78.16.0/23512NET-66-78-16-0-23unknownReassignedJan 7, 2025report@abuseradar.com
via IL-845
└ 66.78.18.0/23512NORTH-COAST-HOSTINGNorth Coast Hosting (C07398013) · USReassignedJul 30, 2019Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.20.0/23512NORTH-COAST-HOSTINGNorth Coast Hosting (C08256642) · USReassignedMar 18, 2022Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.22.0/23512NORTH-COAST-HOSTINGNorth Coast Hosting (C07398014) · USReassignedJul 30, 2019Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.24.0/23512NORTH-COAST-HOSTINGNorth Coast Hosting (C07498298) · USReassignedFeb 5, 2020Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.26.0/23512CODE200CODE200 (C10042035) · LTReassignedAug 24, 2023Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.28.0/221,024UABUAB (C07024441) · SAReassignedJul 17, 2018Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.32.0/221,024CODE200Code200 (C09044765) · LTReassignedNov 26, 2022Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.36.0/221,024IPXO-LLCIPXO LLC (IL-845) · USReallocatedFeb 5, 2024abuse@ipxo.com
└ 66.78.36.0/221,024NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 66.78.38.0/24256NET-66-78-38-0-24unknownReassignedNov 6, 2026report@abuseradar.com
via IPXO-LLC
└ 66.78.39.0/24256CHARTVPSChartVPS Technologies (C11535550) · CAReassignedMar 6, 2026report@abuseradar.com
via IPXO-LLC
└ 66.78.40.0/23512IPXO-LLCIPXO LLC (IL-845) · USReallocatedFeb 5, 2024abuse@ipxo.com
└ 66.78.40.0/23512NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 66.78.40.0/24256NET-66-78-40-0-24Aokigahara SRL (C11061516) · ROReassignedJan 7, 2025report@abuseradar.com
via IPXO-LLC
└ 66.78.41.0/24256NET-66-78-41-0-24Web Host Most LLC (C11072389) · USReassignedJan 17, 2025report@abuseradar.com
via IPXO-LLC
└ 66.78.42.0/24256VXI-GLOBAL-SOLUTIONS-LLCunknown———
└ 66.78.43.0/24256BROADBAND-USABroadband USA (C11386632) · USReassignedOct 13, 2025Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.44.0/23512IPXO-LLCIPXO LLC (IL-845) · USReallocatedFeb 5, 2024abuse@ipxo.com
└ 66.78.44.0/23512NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 66.78.44.0/24256NET-66-78-44-0-24unknownReassignedJan 7, 2025report@abuseradar.com
via IPXO-LLC
└ 66.78.45.0/24256NET-66-78-45-0-24unknownReassignedJan 7, 2025report@abuseradar.com
via IPXO-LLC
└ 66.78.46.0/24256IL-845IPXO LLC (IL-845) · USReallocatedNov 24, 2021abuse@ipxo.com
└ 66.78.46.0/24256NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 66.78.47.0/24256NORTH-COAST-HOSTINGNorth Coast Hosting (C07985133) · USReassignedAug 9, 2021Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.48.0/212,048IPXO-LLCIPXO LLC (IL-845) · USReallocatedMar 25, 2026abuse@ipxo.com
└ 66.78.48.0/212,048NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedApr 27, 2026report@abuseradar.com
└ 66.78.50.0/24256NET-66-78-50-0-24unknownReassignedNov 5, 2026report@abuseradar.com
via IPXO-LLC
└ 66.78.51.0/24256NET-66-78-51-0-24unknownReassignedNov 9, 2026report@abuseradar.com
via IPXO-LLC
└ 66.78.52.0/24256NET-66-78-52-0-24unknownReassignedOct 26, 2026report@abuseradar.com
via IPXO-LLC
└ 66.78.53.0/24256NET-66-78-53-0-24unknown———
└ 66.78.56.0/24256EQUINIX-CHICAGOCH2Equinix Chicago CH2 (C06772654) · USReassignedOct 25, 2017Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.57.0/24256CODE200CODE200 (C10042041) · LTReassignedAug 24, 2023Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.58.0/24256SILICON-DESERT-INTERNATIONALSilicon Desert International (C09524671) · USReassignedMay 18, 2023Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.59.0/24256IPXO-LLCIPXO LLC (IL-845) · USReallocatedFeb 5, 2024abuse@ipxo.com
└ 66.78.59.0/24256NET-66-78-59-0-24Web Host Most LLC (C11072390) · USReassignedJan 17, 2025abuse@ipxo.com
via IPXO-LLC
└ 66.78.60.0/23512CLEARDEMANDClearDemand (C11455804) · USReassignedDec 21, 2025Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.62.0/298CODE200CODE200 (C11599275) · LTReassignedMay 20, 2026Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.62.8/298CODE200CODE200 (C11599276) · LTReassignedMay 20, 2026Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.62.16/298CODE200CODE200 (C11599278) · LTReassignedMay 20, 2026Abuse@colocationamerica.com
via CAC-BLOCK14
└ 66.78.62.48/2816RELATIVITY-MEDIAunknown———
└ 66.78.63.0/24256DATA-PARADISEData Paradise (C07445856) · INReassignedOct 24, 2019Abuse@colocationamerica.com
via CAC-BLOCK14

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses
TypeAddressesShareRanges
Hosting9,44858%35
Datacenter proxyanonymizer6,93642%22

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
May 2016 · 11 yr
Origin networks
5
Last change of origin
May 2016
Recorded history

History

Handoffs
5